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STatiana [176]
3 years ago
13

What are the x and y intercepts of the line y=-4x+2?​

Mathematics
1 answer:
Levart [38]3 years ago
6 0
X=.5 or 1/2
y=2


hope that helps a little (:






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If tan x = 1.731 then sin x =?
lbvjy [14]

Answer:

0.866

Step-by-step explanation:

If tan x = 1.731 then sin x =

Given data

tan x = 1.731

x= tan^-1 (1.731)

x= 59.98°

x= 60° approx

Aso

sin x=??

substitute

sin  60°= 0.866

Hence the answer is 0.866

5 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth. 5 10 ​
snow_lady [41]

Answer:

\boxed {\boxed {\sf 8.7}}

Step-by-step explanation:

We are asked to find the length of the third side in a triangle, given the other 2 sides.

Since this is a right triangle (note the small square in the corner of the triangle representing a 90 degree /right angle), we can use the Pythagorean Theorem.

a^2 + b^2 =c^2

In this theorem, <em>a</em> and <em>b</em> are the legs of the triangle and <em>c</em> is the hypotenuse.

We know that the unknown side (we can say it is a) and the side measuring 5 are the legs because they form the right angle. The side measuring 10 is the hypotenuse because it is opposite the right angle.

  • b= 5
  • c= 10

Substitute the values into the formula.

a^2 + (5)^2 = (10)^2

Solve the exponents.

  • (5)²= 5*5 = 25
  • (10)²= 10*10= 100

a^2 + 25=100

We are solving for a, so we must isolate the variable. 25 is being added to a. The inverse operation of addition is subtraction, so we subtract 25 from both sides.

a^2 +25-25=100-25

a^2=100-25

a^2 = 75

a is being squared. The inverse of a square is the square root, so we take the square root of both sides.

\sqrt {a^2}= \sqrt{75}

a= \sqrt{75}

a= 8.660254038

Round to the nearest tenth. The 6 in the hundredth place tells us to round the 6 up to a 7 in the tenth place.

a \approx 8.7

The length of the third side is approximately <u>8.7</u>

4 0
3 years ago
Read 2 more answers
What is 30% as a decimal
Reika [66]
Its is 10 because its not even
7 0
3 years ago
Ratio please help much appreciated
Komok [63]
Ratio = 3:5
Total ratio is 8
8 shares represent ------> £ 40
Find for one share
1 share ------> £40/8 = £5
Now find 3 and 5 shares
Bart : 3 shares ------> £ 5×3 = £15
Lisa : 5 shares ------> £ 5×5 = £25

6 0
3 years ago
Read 2 more answers
Jay had to pain part of the outside of this house he spend 7 hours painting one side and 12 hours painting another how long did
stich3 [128]

Answer:

19 hours

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
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